When footage of Kelly Slater’s wave pool first dropped in 2015 it broke the Internet. Nearly a decade later, weird wave maestro Ben Gravy just revealed a wave breaking off the wake of a ferryboat that rivals that man-made perfection. In his latest YouTube release, Gravy heads to the Pacific Northwest and absolutely scores. When the vessel, tide, wind, and bathymetry all line up, its wake transforms into a clean, peeling section that looks more like a purpose-built wave pool than a boat wake. Long before wave pools became billion-dollar infrastructure projects, surfers were looking for ways to ride moving water wherever they could find it. Ferry and tanker surfing dates back at least to the 1960s, when surfers around Galveston Bay, Texas, began experimenting with waves generated by passing ships. Over the decades, the pursuit spread to harbors, rivers, and shipping channels around the world. There are documented ferry waves in places as unlikely as Dublin, Portugal, and Germany.…